I could ambulate you could ambulate he could ambulate we could ambulate you could ambulate they could ambulate
Forma con V-ing
I could be ambulating you could be ambulating he could be ambulating we could be ambulating you could be ambulating they could be ambulating
Perfecto
I could have ambulated you could have ambulated he could have ambulated we could have ambulated you could have ambulated they could have ambulated
Perfecto con V-ing
I could have been ambulating you could have been ambulating he could have been ambulating we could have been ambulating you could have been ambulating they could have been ambulating
Negación
Forma simple
I couldn't ambulate you couldn't ambulate he couldn't ambulate we couldn't ambulate you couldn't ambulate they couldn't ambulate
Forma con V-ing
I couldn't be ambulating you couldn't be ambulating he couldn't be ambulating we couldn't be ambulating you couldn't be ambulating they couldn't be ambulating
Perfecto
I couldn't have ambulated you couldn't have ambulated he couldn't have ambulated we couldn't have ambulated you couldn't have ambulated they couldn't have ambulated
Perfecto con V-ing
I couldn't have been ambulating you couldn't have been ambulating he couldn't have been ambulating we couldn't have been ambulating you couldn't have been ambulating they couldn't have been ambulating
Forma interrogativa
Forma simple
could I ambulate? could you ambulate? could he ambulate? could we ambulate? could you ambulate? could they ambulate?
Forma con V-ing
could I be ambulating? could you be ambulating? could he be ambulating? could we be ambulating? could you be ambulating? could they be ambulating?
Perfecto
could I have ambulated? could you have ambulated? could he have ambulated? could we have ambulated? could you have ambulated? could they have ambulated?
Perfecto con V-ing
could I have been ambulating? could you have been ambulating? could he have been ambulating? could we have been ambulating? could you have been ambulating? could they have been ambulating?
Forma interro-negativa
Forma simple
couldn't I ambulate? couldn't you ambulate? couldn't he ambulate? couldn't we ambulate? couldn't you ambulate? couldn't they ambulate?
Forma con V-ing
couldn't I be ambulating? couldn't you be ambulating? couldn't he be ambulating? couldn't we be ambulating? couldn't you be ambulating? couldn't they be ambulating?
Perfecto
couldn't I have ambulated? couldn't you have ambulated? couldn't he have ambulated? couldn't we have ambulated? couldn't you have ambulated? couldn't they have ambulated?
Perfecto con V-ing
couldn't I have been ambulating? couldn't you have been ambulating? couldn't he have been ambulating? couldn't we have been ambulating? couldn't you have been ambulating? couldn't they have been ambulating?